Yu Jonathan Yen-Wen Insider Trades & Stock Holdings

Chief Operating Officer · Disc Medicine, Inc. · Latest filing Jun 26, 2026

Yu Jonathan Yen-Wen, Chief Operating Officer at Disc Medicine, Inc. has 4 Form 4 trades on file since Jun 16, 2026. Open-market activity: 0 purchases ($0) and 1 sale ($1.29M), net -$1.29M. Latest filing: disposed of 300 shares of $IRON on Jun 26, 2026.

Trades on file

4

Open-market bought

$0

Open-market sold

$1.29M

Net open-market

-$1.29M

Latest filing

Jun 26, 2026

All insider trades by Yu Jonathan Yen-Wen

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Jun 26, 2026	$IRON	Sell (Option exercise)	300	$0	—			+3.0%	-0.2%		Chief Operating Officer		—
Jun 22, 2026	$IRON	Sell (Option exercise)	9.70K	$0	—			+5.2%	+5.0%		Chief Operating Officer		Read
Jun 16, 2026	$IRON	Sell (Open-market sale) 10b5-1	18.61K	$69.19	$1.29M			+0.9%	+5.2%		Chief Operating Officer		—
Jun 16, 2026	$IRON	Buy (Option exercise)	18.61K	$9.86	$183.51K			+0.9%	+5.2%		Chief Operating Officer		Read

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Yu Jonathan Yen-Wen traded

• $IRON

Frequently asked questions

Has Yu Jonathan Yen-Wen been buying or selling stock?

Yu Jonathan Yen-Wen has 0 open-market purchases and 1 open-market sale on file, net -$1.29M. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Yu Jonathan Yen-Wen's latest insider trade?

disposed of 300 shares of $IRON on Jun 26, 2026.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.